625 B
625 B
Cryolite
Formula
Na3(AlF6)
Synonyms
Sodium Aluminum Fluoride, Sodium fluoaluminate
Description
Used as a non-hygroscopic yellow colouring agent in some star compositions.
Sources
Pyrotechnic supplies, such as skylighter.
Hazards
T, N
Acute: Poison by ingestion. Large doses of overexposure cause severe nausea, vomiting, diarrhea, abdominal burning and cramp-like pains. Contact with skin and eyes may cause irritation. Inhalation can cause irritation to mucous membranes and respiratory tracts.
Chronic: May cause fluorosis, which is a condition affecting the bones and teeth.